[dpdk-dev] [PATCH v2 09/25] bnxt: add support for set multicast addr list and MAC addr set

[Ajit Khaparde]

This patch adds support for set_mc_addr_list and
mac_addr_set dev_ops

Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>

--
v1->v2: regroup related patches and incorporate other review comments
---
 doc/guides/nics/features/bnxt.ini |  1 +
 drivers/net/bnxt/bnxt_ethdev.c    | 70 ++++++++++++++++++++++++++++++++++++++-
 drivers/net/bnxt/bnxt_hwrm.c      | 13 +++++---
 drivers/net/bnxt/bnxt_hwrm.h      |  2 +-
 drivers/net/bnxt/bnxt_vnic.c      |  7 +++-
 drivers/net/bnxt/bnxt_vnic.h      |  4 +++
 6 files changed, 90 insertions(+), 7 deletions(-)

diff --git a/doc/guides/nics/features/bnxt.ini b/doc/guides/nics/features/bnxt.ini
index 78a738f..9b3cd94 100644
--- a/doc/guides/nics/features/bnxt.ini
+++ b/doc/guides/nics/features/bnxt.ini
@@ -11,6 +11,7 @@ Unicast MAC filter   = Y
 Multicast MAC filter = Y
 VLAN filter          = Y
 VLAN offload         = Y
+Allmulticast mode    = Y
 RSS reta update      = Y
 Basic stats          = Y
 Extended stats       = Y
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 6e3ba79..02d1749 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -638,7 +638,7 @@ static int bnxt_mac_addr_add_op(struct rte_eth_dev *eth_dev,
 	STAILQ_INSERT_TAIL(&vnic->filter, filter, next);
 	filter->mac_index = index;
 	memcpy(filter->l2_addr, mac_addr, ETHER_ADDR_LEN);
-	return bnxt_hwrm_set_filter(bp, vnic, filter);
+	return bnxt_hwrm_set_filter(bp, vnic->fw_vnic_id, filter);
 }
 
 int bnxt_link_update_op(struct rte_eth_dev *eth_dev, int wait_to_complete)
@@ -1290,6 +1290,72 @@ bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask)
 		RTE_LOG(ERR, PMD, "Extend VLAN Not supported\n");
 }
 
+static void
+bnxt_set_default_mac_addr_op(struct rte_eth_dev *dev, struct ether_addr *addr)
+{
+	struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+	/* Default Filter is tied to VNIC 0 */
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+	struct bnxt_filter_info *filter;
+	int rc;
+
+	if (BNXT_VF(bp))
+		return;
+
+	memcpy(bp->mac_addr, addr, sizeof(bp->mac_addr));
+	memcpy(&dev->data->mac_addrs[0], bp->mac_addr, ETHER_ADDR_LEN);
+
+	STAILQ_FOREACH(filter, &vnic->filter, next) {
+		/* Default Filter is at Index 0 */
+		if (filter->mac_index != 0)
+			continue;
+		rc = bnxt_hwrm_clear_filter(bp, filter);
+		if (rc)
+			break;
+		memcpy(filter->l2_addr, bp->mac_addr, ETHER_ADDR_LEN);
+		memset(filter->l2_addr_mask, 0xff, ETHER_ADDR_LEN);
+		filter->flags |= HWRM_CFA_L2_FILTER_ALLOC_INPUT_FLAGS_PATH_RX;
+		filter->enables |=
+			HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR |
+			HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR_MASK;
+		rc = bnxt_hwrm_set_filter(bp, vnic->fw_vnic_id, filter);
+		if (rc)
+			break;
+		filter->mac_index = 0;
+		RTE_LOG(DEBUG, PMD, "Set MAC addr\n");
+	}
+}
+
+static int
+bnxt_dev_set_mc_addr_list_op(struct rte_eth_dev *eth_dev,
+			  struct ether_addr *mc_addr_set,
+			  uint32_t nb_mc_addr)
+{
+	struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private;
+	char *mc_addr_list = (char *)mc_addr_set;
+	struct bnxt_vnic_info *vnic;
+	uint32_t off = 0, i = 0;
+
+	vnic = &bp->vnic_info[0];
+
+	if (nb_mc_addr > BNXT_MAX_MC_ADDRS) {
+		vnic->flags |= BNXT_VNIC_INFO_ALLMULTI;
+		goto allmulti;
+	}
+
+	/* TODO Check for Duplicate mcast addresses */
+	vnic->flags &= ~BNXT_VNIC_INFO_ALLMULTI;
+	for (i = 0; i < nb_mc_addr; i++) {
+		memcpy(vnic->mc_list + off, &mc_addr_list[i], ETHER_ADDR_LEN);
+		off += ETHER_ADDR_LEN;
+	}
+
+	vnic->mc_addr_cnt = i;
+
+allmulti:
+	return bnxt_hwrm_cfa_l2_set_rx_mask(bp, vnic);
+}
+
 /*
  * Initialization
  */
@@ -1325,9 +1391,11 @@ static const struct eth_dev_ops bnxt_dev_ops = {
 	.udp_tunnel_port_del  = bnxt_udp_tunnel_port_del_op,
 	.vlan_filter_set = bnxt_vlan_filter_set_op,
 	.vlan_offload_set = bnxt_vlan_offload_set_op,
+	.mac_addr_set = bnxt_set_default_mac_addr_op,
 	.xstats_get = bnxt_dev_xstats_get_op,
 	.xstats_get_names = bnxt_dev_xstats_get_names_op,
 	.xstats_reset = bnxt_dev_xstats_reset_op,
+	.set_mc_addr_list = bnxt_dev_set_mc_addr_list_op,
 };
 
 static bool bnxt_vf_pciid(uint16_t id)
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index d942648..22e18d6 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -229,7 +229,12 @@ int bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt *bp, struct bnxt_vnic_info *vnic)
 	if (vnic->flags & BNXT_VNIC_INFO_PROMISC)
 		mask = HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS;
 	if (vnic->flags & BNXT_VNIC_INFO_ALLMULTI)
-		mask = HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
+		mask |= HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
+	if (vnic->mc_addr_cnt) {
+		mask |= HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_MCAST;
+		req.num_mc_entries = rte_cpu_to_le_32(vnic->mc_addr_cnt);
+		req.mc_tbl_addr = rte_cpu_to_le_64(vnic->mc_list_dma_addr);
+	}
 	req.mask = rte_cpu_to_le_32(HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_BCAST |
 				    mask);
 
@@ -261,7 +266,7 @@ int bnxt_hwrm_clear_filter(struct bnxt *bp,
 }
 
 int bnxt_hwrm_set_filter(struct bnxt *bp,
-			 struct bnxt_vnic_info *vnic,
+			 uint16_t dst_id,
 			 struct bnxt_filter_info *filter)
 {
 	int rc = 0;
@@ -275,7 +280,7 @@ int bnxt_hwrm_set_filter(struct bnxt *bp,
 
 	enables = filter->enables |
 	      HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_DST_ID;
-	req.dst_id = rte_cpu_to_le_16(vnic->fw_vnic_id);
+	req.dst_id = rte_cpu_to_le_16(dst_id);
 
 	if (enables &
 	    HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR)
@@ -1419,7 +1424,7 @@ int bnxt_set_hwrm_vnic_filters(struct bnxt *bp, struct bnxt_vnic_info *vnic)
 	int rc = 0;
 
 	STAILQ_FOREACH(filter, &vnic->filter, next) {
-		rc = bnxt_hwrm_set_filter(bp, vnic, filter);
+		rc = bnxt_hwrm_set_filter(bp, vnic->fw_vnic_id, filter);
 		if (rc)
 			break;
 	}
diff --git a/drivers/net/bnxt/bnxt_hwrm.h b/drivers/net/bnxt/bnxt_hwrm.h
index 8f7d103..c15404f 100644
--- a/drivers/net/bnxt/bnxt_hwrm.h
+++ b/drivers/net/bnxt/bnxt_hwrm.h
@@ -49,7 +49,7 @@ int bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt *bp, struct bnxt_vnic_info *vnic);
 int bnxt_hwrm_clear_filter(struct bnxt *bp,
 			   struct bnxt_filter_info *filter);
 int bnxt_hwrm_set_filter(struct bnxt *bp,
-			 struct bnxt_vnic_info *vnic,
+			 uint16_t dst_id,
 			 struct bnxt_filter_info *filter);
 int bnxt_hwrm_exec_fwd_resp(struct bnxt *bp, uint16_t target_id,
 			    void *encaped, size_t ec_size);
diff --git a/drivers/net/bnxt/bnxt_vnic.c b/drivers/net/bnxt/bnxt_vnic.c
index fe2244b..db9fb07 100644
--- a/drivers/net/bnxt/bnxt_vnic.c
+++ b/drivers/net/bnxt/bnxt_vnic.c
@@ -170,7 +170,8 @@ int bnxt_alloc_vnic_attributes(struct bnxt *bp)
 	char mz_name[RTE_MEMZONE_NAMESIZE];
 	uint32_t entry_length = RTE_CACHE_LINE_ROUNDUP(
 				HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table) +
-				HW_HASH_KEY_SIZE);
+				HW_HASH_KEY_SIZE +
+				BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN);
 	uint16_t max_vnics;
 	int i;
 	phys_addr_t mz_phys_addr;
@@ -218,6 +219,10 @@ int bnxt_alloc_vnic_attributes(struct bnxt *bp)
 
 		vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr +
 			     HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table);
+		vnic->mc_list = (void *)((char *)vnic->rss_hash_key +
+				HW_HASH_KEY_SIZE);
+		vnic->mc_list_dma_addr = vnic->rss_hash_key_dma_addr +
+				HW_HASH_KEY_SIZE;
 	}
 
 	return 0;
diff --git a/drivers/net/bnxt/bnxt_vnic.h b/drivers/net/bnxt/bnxt_vnic.h
index ca1c9cf..0d50224 100644
--- a/drivers/net/bnxt/bnxt_vnic.h
+++ b/drivers/net/bnxt/bnxt_vnic.h
@@ -57,6 +57,10 @@ struct bnxt_vnic_info {
 	uint16_t	*rss_table;
 	phys_addr_t	rss_hash_key_dma_addr;
 	void		*rss_hash_key;
+	phys_addr_t	mc_list_dma_addr;
+	char		*mc_list;
+	uint32_t	mc_addr_cnt;
+#define BNXT_MAX_MC_ADDRS		16
 	uint32_t	flags;
 #define BNXT_VNIC_INFO_PROMISC			(1 << 0)
 #define BNXT_VNIC_INFO_ALLMULTI			(1 << 1)
-- 
2.10.1 (Apple Git-78)